Polymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.olymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.
This name, similar to Ryan and Rylan, has gained popularity of late. After reaching a new high in 2013, it settled back down 30 places last year. It's the full birth name of legendary musician Ry Cooder.his name, similar to Ryan and Rylan, has gained popularity of late. After reaching a new high in 2013, it settled back down 30 places last year. It's the full birth name of legendary musician Ry Cooder.
Brian is a very popular first name for men (#20 out of 1220, Top 2%) and also a very popular last name for all people (#7327 out of 150436, Top 5%).(2000 U.S. Census). Displayed below is the baby name popularity of Brian for boys.rian is a very popular first name for men (#20 out of 1220, Top 2%) and also a very popular last name for all people (#7327 out of 150436, Top 5%).